安装PHP的时候提示：No package libjpeg found出现原因：缺少libjpeg 的依赖包

解决方案：

1、Redhat|CentOS7版本：

下载安装rpm包：

wget http://mirror.centos.org/centos/7/os/x86_64/Packages/libjpeg-turbo-1.2.90-8.el7.x86_64.rpmwget http://mirror.centos.org/centos/7/os/x86_64/Packages/libjpeg-turbo-devel-1.2.90-8.el7.x86_64.rpm

安装：

rpm -ivh libjpeg*.rpm

Centos 8系列：下载安装rpm包

wgethttps://vault.centos.org/centos/8/AppStream/x86_64/os/Packages/libjpeg-turbo-1.5.3-12.el8.x86_64.rpmwgethttps://vault.centos.org/centos/8/AppStream/x86_64/os/Packages/libjpeg-turbo-devel-1.5.3-12.el8.x86_64.rpm

安装：

rpm -ivh libjpeg*.rpm

2、Debian|Ubuntu更新安装源

apt-get update

安装依赖

apt-get install libjpeg-dev